THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: WILLIAMS 1219MSC PROTO 1219MT500 MATCO MCL19M2 PROTO 5771219MT500 PROTO J1219MT500 WILLIAMS JHW1219MSC MAC TOOLS M19CL440 MAC TOOLS MB192KS MATCO MCL19M2 PROTO PRO1219MT500 SNAPON SOEXM19 SNAPON SOEXM19. SKILCRAFT ProGrade Combination Wrenches 19mm BRAND NAME: SKILCRAFT. Premium grade, high polish chrome finish 19mm combination wrench with open and box ends. Made of forged and heattreated steel for extra strength and durability, these combination wrenches feature a continuous arc design that distributes applied stress over the entire radius of the open end. The 12point boxend features a 7.5 degree offset broaching that allows users to flip the end for a more advantageous grip in tight spaces. Available in a variety of sizes, these U.S.A. made, Berry Amendment compliant wrenches meet or exceed SAE Aerospace Standard 954 for 12point fasteners and carry a limited lifetime warranty. SDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0